What percentage of sales are $105 or above? The upper limit for the middle 95% of sales = What percentage of sales are between $185 and $265?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Suppose the average sale at Dogs Rule the World Dog Emporium is $225.00 with a
standard deviation of $ 40.00. Assumes sales are normally distributed (bell shaped).
Do NOT enter the percent sign or the dollar sign.
Round answers to two decimal places, if necessary. For example, X.XX or .XX.
Include negative sign, if appropriate.
What percentage of sales are $105 or above?
The upper limit for the middle 95% of sales
What percentage of sales are between $185 and $265?
What would the Z-score be for a sale of $235?
Transcribed Image Text:Suppose the average sale at Dogs Rule the World Dog Emporium is $225.00 with a standard deviation of $ 40.00. Assumes sales are normally distributed (bell shaped). Do NOT enter the percent sign or the dollar sign. Round answers to two decimal places, if necessary. For example, X.XX or .XX. Include negative sign, if appropriate. What percentage of sales are $105 or above? The upper limit for the middle 95% of sales What percentage of sales are between $185 and $265? What would the Z-score be for a sale of $235?
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